My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hi,
I have not yet experienced well on the design and development an application using nrf51 series. Your help will be very useful for my work. My question is as following...
Hi,
I have some problems with functions sd_ble_gap_disconnect and sd_ble_gap_adv_stop.
I got critical error when i try to disconnect or stop_adv and my phone is connected...
Hello,
In our application we don't allow bonding. Therefore I'm not allowing the application to send peer data to the bootloader using dfu_app_peer_data_set()...Therefore...
In NRF52-DK, I am currently working on NRF5 SDK 11.0.
In examples/peripheral/spi/pca10040/,
The master spi device is continuously sending "Nordic" string every 200msec...
I've submitted my product using nRF51822 chipset for Bluetooth certification. The BQE asks for QDID of proximity profile. Anyone knows about the QDID #?
Thanks,
Hello,
Is there a way to test packet corruption? My setup would be that I have my FW in nRF52-DK. Then I would test communication using nRF51-Dongle. I would like to force...
I want to connect two nRF51822-BKs and find their proximity. If one of the beacons go >5m away from the other beacon then one should beep/LED ON.
What is the best way to...
I have some troubles to understand the system clock functionality.
I am using a Module from Rigado which uses the nRF52 and has an external 32Mhz osc. on board.
In the...
Hi, I use the following.
Raspberry Pi 3 (RPi3 with Raspbian Jessie 4.4) as a router,
RPi3 is connected to a Wi-Fi router to access the Internet by using the built...
hi
i didn't manage to find detailed requirements on the voltage from the chip.
in the spec i see voltage range of :1.7-3.6v
but its not enough data for designing converter...
hi everyone, I am new to developing apps for nrf51822, and currently I want to learn first, I tried to google a lot around and could not look for the right resources, it would...
hi,
I would like to connect hid keypad with ipad,phone5s and android phone(all these have Bluetooth version 4 )but i couldn't connect this.ie, The nrf51822 module advertising...
I attempted to capture a waveform when running the SPI master example on nFR52 SDK/PCA10040. The source code I have as default and showing as follows
#define SPI0_ENABLED...
Hello,
We are working on a project that includes a countdown but we could not able to do it. Simply we want to do this:
Nrf51822 receives a signal-->run our funcion...
Recently, I've built up the latest OpenMesh v.0.85 example among 3 pieces of nRF51DK successfully. For my application, I would like to increase the data payload, is it possible...
